CN221033053U - New energy vehicle's compressor verifying attachment - Google Patents
New energy vehicle's compressor verifying attachment Download PDFInfo
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- CN221033053U CN221033053U CN202322620456.5U CN202322620456U CN221033053U CN 221033053 U CN221033053 U CN 221033053U CN 202322620456 U CN202322620456 U CN 202322620456U CN 221033053 U CN221033053 U CN 221033053U
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 17
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- 230000001012 protector Effects 0.000 claims description 12
- 230000030279 gene silencing Effects 0.000 claims description 9
- 238000012795 verification Methods 0.000 claims description 9
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 20
- 238000009413 insulation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
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- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a compressor calibration device of a new energy vehicle, which comprises low-voltage direct-current stabilized power supply equipment, high-voltage direct-current stabilized power supply equipment, a controller, an insulating meter, a nitrogen steel cylinder and a high-voltage pressure meter, wherein the output end of the low-voltage direct-current stabilized power supply equipment is electrically connected with the input end of the controller, a compressor to be detected is respectively electrically connected with the output end of the controller, the high-voltage direct-current stabilized power supply equipment and the insulating meter, the nitrogen steel cylinder is connected with a low-voltage port of the compressor to be detected through a first connecting pipeline, and the high-voltage pressure meter is connected with a high-voltage port of the compressor through a second connecting pipeline. The utility model can accurately detect the performance of the compressor on the new energy automobile under the condition of not being connected with the actual vehicle.
Description
Technical Field
The utility model belongs to the technical field of compressor verification, and particularly relates to a compressor verification device for a new energy vehicle.
Background
The new energy automobile is an advanced technology in the aspect of power control and driving of a comprehensive vehicle by adopting unconventional vehicle fuel as a power source (or adopting conventional vehicle fuel and a novel vehicle-mounted power device), and an air conditioner compressor and a compressor are used in the new energy automobile, so that the new energy automobile is a driven fluid machine for lifting low-pressure gas into high-pressure gas and is a heart of a refrigerating system. The low-temperature low-pressure refrigerant gas is sucked from the air suction pipe, the motor is operated to drive the piston to compress the low-temperature low-pressure refrigerant gas, and then the high-temperature high-pressure refrigerant gas is discharged to the air discharge pipe to provide power for refrigeration cycle. Therefore, when the compressor is operated, the performance of the compressor needs to be detected in advance to prevent the compressor from malfunctioning, and in the prior art, the compressor needs to be connected with an actual vehicle to be tested.
Therefore, how to accurately detect the performance of the compressor on the new energy automobile without being connected with the actual vehicle is a technical problem to be solved at present.
Disclosure of utility model
The utility model aims to provide a compressor checking device of a new energy vehicle, which is used for solving the problems in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
A new energy vehicle compressor verification device, comprising:
The device comprises low-voltage direct-current stabilized power supply equipment, high-voltage direct-current stabilized power supply equipment, a controller, an insulating meter, a nitrogen gas steel cylinder and a high-voltage pressure meter, wherein the output end of the low-voltage direct-current stabilized power supply equipment is electrically connected with the input end of the controller, the compressor to be detected is electrically connected with the output end of the controller, the high-voltage direct-current stabilized power supply equipment and the insulating meter respectively, the nitrogen gas steel cylinder is connected with a low-voltage port of the compressor to be detected through a first connecting pipeline, and the high-voltage pressure meter is connected with the high-voltage port of the compressor through a second connecting pipeline.
Optionally, the gas pipe of nitrogen gas steel bottle is connected with the tail end of the air conditioner low pressure pipe, and the head end of the air conditioner low pressure pipe is fixedly arranged at the low pressure port of the compressor to be detected.
Optionally, the high-pressure gauge is fixed on a condenser in the air conditioner, the tail end of the air conditioner high-pressure pipe is connected with a pipeline of the high-pressure gauge, and the head end of the air conditioner high-pressure pipe is fixedly arranged at the high-pressure port of the compressor to be detected.
Optionally, the electric leakage protection device further comprises an electric leakage protector and a power indicator, wherein the input end of the electric leakage protector is electrically connected with a power supply, and the output end of the electric leakage protector is electrically connected with the input end of the low-voltage direct-current stabilized power supply device, the high-voltage direct-current stabilized power supply device and the power indicator respectively.
Optionally, the universal meter is further included, and the universal meter is electrically connected with the high-voltage direct-current stabilized power supply equipment.
Optionally, the condenser further comprises a silencing and pressure releasing valve, and the silencing and pressure releasing valve is arranged at the joint of the condenser and the high-pressure pipeline.
Optionally, the device further comprises a high-pressure gas pressure reducer and a pipeline oil storage tank, wherein the pipeline oil storage tank is connected with the high-pressure gas pressure reducer through a third connecting pipeline.
Optionally, the compressor to be detected is grounded through a source line.
Optionally, the compressor to be detected is fixed on the compressor fixing bracket through a fastening device.
The beneficial effects are that:
1. offline driving function: the compressor verification device of the new energy vehicle has an offline driving function, and can be used for testing without connecting with an actual vehicle. Thus, the test efficiency and flexibility can be greatly improved, and meanwhile, the dependence on actual vehicles is reduced. And the loading risk of the fault compressor is reduced.
2. And (3) detecting a bearing high-pressure part: the control device realizes the drive of the Lin protocol message and the adjustment of the drive rotation speed, and can monitor and evaluate the bearing condition and the high-pressure part of the compressor in real time so as to facilitate the subsequent analysis and processing. The bearing condition is that the sound change of the bearing is distinguished by giving different signals and different rotating speeds to the compressor, and whether the compressor vibrates or not is observed (abnormal sound and vibration are the standards of bearing damage in normal conditions).
3. And (3) pressure test: the test platform can simulate the working state of the vehicle in running, and detects whether the working pressure of the compressor can reach the requirement of 15 kg. If the pressure is abnormal, the user can intuitively know the position of the problem through the actual data of the high-pressure gauge head and the special silencing and pressure releasing valve, and can be helped to quickly find the problem and take corresponding measures.
4. Insulation detection: the insulation condition of the compressor can be detected through the built-in insulation test device. Therefore, accidents caused by insulation faults can be prevented, and the safety and stability of the vehicle are guaranteed. ( And (3) injection: the insulation fault of the compressor can cause the vehicle to be unable to start )
Drawings
Fig. 1 is a schematic structural diagram of a checking device for a compressor of a new energy vehicle according to an embodiment of the present application.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.
In the present utility model, the terms "mounted", "arranged", "provided", "connected", "sleeved" are to be interpreted in a broad sense. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Example 1:
as shown in fig. 1, this embodiment provides a schematic structural diagram of a compressor checking device of a new energy vehicle, including:
The device comprises low-voltage direct-current stabilized power supply equipment, high-voltage direct-current stabilized power supply equipment, a controller, an insulating meter, a nitrogen gas steel cylinder and a high-voltage pressure gauge, wherein the output end of the low-voltage direct-current stabilized power supply equipment is electrically connected with the input end of the controller, the compressor to be detected is electrically connected with the output end of the controller, the high-voltage direct-current stabilized power supply equipment and the insulating meter respectively, the nitrogen gas steel cylinder is connected with a low-voltage port of the compressor to be detected through a first connecting pipeline, and the high-voltage pressure gauge is connected with a high-voltage port of the compressor through a second connecting pipeline. The nitrogen steel cylinder is connected with the low-pressure port of the compressor to be detected through a first connecting pipe in a concrete connection mode that: the gas pipe of the nitrogen steel cylinder is connected with the tail end of the air conditioner low-pressure pipe, and the head end of the air conditioner low-pressure pipe is fixedly arranged at the low-pressure port of the compressor. The specific connection mode of the high-pressure gauge connected with the high-pressure port of the compressor through the second connecting pipeline is as follows: the high-pressure gauge is fixed on a condenser in the air conditioner, the tail end of the air conditioner high-pressure pipe is connected with a pipeline of the high-pressure gauge, and the head end of the air conditioner high-pressure pipe is fixedly arranged at a high-pressure port of the compressor to be detected.
In one implementation, the compressor checking device further comprises a leakage protector, a universal meter and a power indicator lamp, wherein the input end of the leakage protector is electrically connected with a power supply, and the output end of the leakage protector is electrically connected with the input end of the low-voltage direct-current stabilized power supply equipment, the high-voltage direct-current stabilized power supply equipment and the power indicator lamp respectively. The universal meter is electrically connected with the high-voltage direct-current stabilized power supply equipment. The compressor to be detected is grounded through a source line. The compressor to be detected is fixed on the compressor fixing support through the fastening device.
In one implementation, the compressor verification device further comprises a silencing and pressure relief valve, a high-pressure gas pressure reducer and a pipeline oil storage tank, wherein the silencing and pressure relief valve is arranged at the joint of the condenser and the high-pressure pipeline and is used for releasing nitrogen pressure. The high-pressure pipe is arranged at the high pressure of the compressor, and the silencing and pressure relieving valve is arranged between the pressure gauge and the high-pressure locking valve. The high-pressure gas comes out, the reading is displayed on the high-pressure barometer, the pressure is automatically reduced after reaching the silencing and reducing valve and the reducing valve meets 15KG, the high-pressure blocking valve is opened to discharge gas after the high-pressure blocking valve is closed/the test is completed when reaching the high-pressure blocking valve (note: the high-pressure blocking valve is closed during the test), and the discharged gas is changed into low-pressure gas through the high-pressure gas reducer to be safely discharged. The compressor checking and testing platform can simulate the working state of the vehicle during running, and detects whether the working pressure of the compressor can reach the requirement of 15 kg. If the pressure is abnormal, the user can intuitively know the position of the problem through the actual data of the pressure gauge head and the special pressure relief valve, and can be helped to quickly find the problem and take corresponding measures.
Wherein, amortization relief valve: in general, the high pressure of the compressor on the vehicle is about 12KG, and the test platform meets 15KG and is higher than the vehicle standard, so that the application can maximally ensure whether the performance of the compressor to be detected can reach the loading standard at 15 KG. High pressure gas pressure reducer: when the test is completed, the high pressure nitrogen will be vented out of the pipe, through the pressure reducer into the air because it is a high pressure gas. High pressure latching valve: when in testing, the high-pressure locking switch (closed) is in a closed loop state (not only can the pressure of the compressor be tested, but also whether the air leakage exists in the compressor body can be observed). Pipeline oil storage pond: after the test is finished, part of air conditioner refrigerating oil can be brought out through the gas discharge after decompression, and the equipment can reasonably store liquid oil.
In one implementation, the compressor verification device platform can record and analyze data, and the power output of the test platform can timely find the high-low voltage current change of the compressor, so that the subsequent data analysis and tracing are convenient. The user may derive test data as needed for further research and evaluation. The temperature gear of the vehicle can also be simulated: the temperature change of the vehicle can be simulated through off-line driving, different temperature demands are closely related to the rotating speed of the compressor, and the refrigerating pressure of each gear is ensured to reach the requirement. (the compressor is generally divided into 1-6 stages).
Example 2
1. Before use, the inspection work is carried out, and the inspection work specifically comprises the following steps:
1: and confirming that the power supply indicator lamp of the leakage protector on the checking platform is not on in the off state, and that all the electrical equipment is not electrified.
2: Checking whether the power wires of the electrical equipment are inserted in place or not, and checking whether the signal wires are connected correctly or not.
3: Checking whether nitrogen exists in the nitrogen steel cylinder (checking method: closing the valve on the gas pipeline, opening the total valve on the steel cylinder, checking whether the nitrogen pressure gauge rises).
2. The method for installing the compressor to be detected specifically comprises the following steps:
1: the compressor to be detected is put on a compressor fixing bracket, and three fixing nuts are installed for tightening (the nut torque is 10-20 N.m, and the compressor is only needed to be tightened).
2: The tail end of the air-conditioner low-pressure pipe is connected with a nitrogen gas transmission pipe, the head end of the air-conditioner low-pressure pipe is arranged at a low-pressure port of a compressor, and a fixing screw is arranged for tightening (the torque of a nut is 30-40 N.m).
3: The tail end of the air-conditioner high-pressure pipe is connected with a high-pressure gauge pipeline on the condenser, the end of the air-conditioner high-pressure pipe head is arranged at a high-pressure port of the compressor, and a fixing screw is arranged for tightening. (note: the nut torque is 30-40 N.m.
4: The controller plug of the compressor is plugged into the low-voltage electrical outlet of the compressor.
5: And inserting a power line at the output end of the high-voltage direct-current stabilized power supply into a high-voltage socket of the compressor.
Verification process
1: And closing a nitrogen output pipeline valve, and opening a nitrogen main valve to adjust the output pressure to 2KG, wherein nitrogen enters from a low-pressure port, and 2KG is the pressure simulating the low-pressure state of the vehicle.
2: And opening the left valve and the right valve of the high-pressure gauge. (horizontal opening, vertical closing)
3: And closing a valve at the joint of the high-pressure pipeline and the condenser. (vertical opening, lateral closing)
4: And opening a nitrogen output pipeline valve to check whether the high-pressure gauge rises to 2KG.
5: And closing a leakage protection switch to check whether the power indicator lights are normally on.
6: And starting the low-voltage direct-current stabilized power supply equipment, regulating the output voltage of the equipment to 12V, checking the current of the equipment, and setting the normal value to be 0.4A.
7: It is checked whether the controller of the compressor is operating normally.
8: And adjusting the universal meter to a 500V direct-current voltage measurement gear.
9: And starting the high-voltage direct-current stabilized power supply equipment, and regulating the output voltage of the equipment to 380V.
10: Checking whether the voltage monitored by the universal meter is consistent with the output voltage of the high-voltage direct-current stabilized power supply or not, and the error value is 0V-1V.
11: The compressor is started to work by using a controller of the compressor, and the test is carried out from low to high from 1 st gear to 6 th gear respectively. ( And (3) injection: stopping running the compressor every time one gear is tested, closing the valve of the nitrogen output pipeline, opening the valve at the joint of the condenser and the high-pressure pipeline, releasing the nitrogen pressure, and then testing the next gear )
12: After the gear tests are finished, the high-voltage direct-current stabilized power supply equipment is firstly turned off, after the equipment panels are turned off, the protection switches of the low-voltage direct-current stabilized power supply, the universal meter and the leakage protector are sequentially turned off, and finally whether the power indicator lamp is turned off is checked.
13: And closing the valve of the nitrogen output pipeline and the total valve, and opening the valve at the condenser to release pipeline pressure.
14: And pulling out the plug of the high-voltage power supply line and the plug of the low-voltage controller at the compressor.
15: The high voltage insulated measuring wire is inserted into the compressor high voltage socket.
16: And opening an insulating meter, adjusting the measured voltage to 1000V for performing the insulation test of the compressor, and detecting whether the short circuit or electric leakage exists in the compressor by the insulating meter.
17: And closing the insulating table after the insulation test is finished, sequentially removing all the parts for reduction, and finally removing the electric compressor to finish the verification process.
The application can simulate the running state of the vehicle and detect the bearing, pressure and insulation condition of the compressor. And (3) according to the test result, timely processing abnormal conditions, and carrying out targeted maintenance on bearing abnormality, pressure failure or insulation fault.
Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. A new energy vehicle compressor verification device, comprising:
The device comprises low-voltage direct-current stabilized power supply equipment, high-voltage direct-current stabilized power supply equipment, a controller, an insulating meter, a nitrogen gas steel cylinder and a high-voltage pressure meter, wherein the output end of the low-voltage direct-current stabilized power supply equipment is electrically connected with the input end of the controller, a compressor to be detected is respectively connected with the output end of the controller, the high-voltage direct-current stabilized power supply equipment and the insulating meter, the nitrogen gas steel cylinder is connected with a low-voltage port of the compressor to be detected through a first connecting pipeline, and the high-voltage pressure meter is connected with the high-voltage port of the compressor through a second connecting pipeline.
2. The device for verifying a compressor of a new energy vehicle as defined in claim 1, wherein,
The gas transmission pipe of the nitrogen steel cylinder is connected with the tail end of the air conditioner low-pressure pipe, and the head end of the air conditioner low-pressure pipe is fixedly arranged at the low-pressure port of the compressor to be detected.
3. The device for verifying a compressor of a new energy vehicle as defined in claim 2, wherein,
The high-pressure gauge is fixed on a condenser in the air conditioner, the tail end of the air conditioner high-pressure pipe is connected with a pipeline of the high-pressure gauge, and the head end of the air conditioner high-pressure pipe is fixedly arranged at a high-pressure port of the compressor to be detected.
4. The device for verifying a compressor of a new energy vehicle as defined in claim 1, wherein,
The electric leakage protector is characterized by further comprising an electric leakage protector and a power indicator lamp, wherein the input end of the electric leakage protector is electrically connected with a power supply, and the output end of the electric leakage protector is electrically connected with the input end of the low-voltage direct-current stabilized power supply equipment, the high-voltage direct-current stabilized power supply equipment and the power indicator lamp respectively.
5. The device for verifying a compressor of a new energy vehicle as defined in claim 1, wherein,
The universal meter is electrically connected with the high-voltage direct-current stabilized power supply equipment.
6. The device for verifying a compressor of a new energy vehicle as defined in claim 1, wherein,
The device also comprises a silencing and pressure releasing valve, and the silencing and pressure releasing valve is arranged at the joint of the condenser and the high-pressure pipeline.
7. The device for checking a compressor of a new energy vehicle according to claim 6, wherein,
The high-pressure gas pressure reducer is connected with the pipeline oil storage tank through a third connecting pipeline.
8. The device for verifying a compressor of a new energy vehicle as defined in claim 1, wherein,
The compressor to be detected is grounded through a power line.
9. The device for verifying a compressor of a new energy vehicle as defined in claim 1, wherein,
The compressor to be detected is fixed on the compressor fixing support through the fastening device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322620456.5U CN221033053U (en) | 2023-09-25 | 2023-09-25 | New energy vehicle's compressor verifying attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322620456.5U CN221033053U (en) | 2023-09-25 | 2023-09-25 | New energy vehicle's compressor verifying attachment |
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| Publication Number | Publication Date |
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| CN221033053U true CN221033053U (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322620456.5U Active CN221033053U (en) | 2023-09-25 | 2023-09-25 | New energy vehicle's compressor verifying attachment |
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2023
- 2023-09-25 CN CN202322620456.5U patent/CN221033053U/en active Active
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